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In this paper, we study the existence of radial and nonradial solutions to the scalar field equations with fractional operators. For radial solutions, we prove the existence of infinitely many solutions under $N \geq 2$. We also show the…

Analysis of PDEs · Mathematics 2020-10-29 Norihisa Ikoma

The aim of this work is to establish numerous interrelated gradient estimates in the nonlinear nonlocal setting. First of all, we prove that weak solutions to a class of homogeneous nonlinear nonlocal equations of possibly arbitrarily low…

Analysis of PDEs · Mathematics 2024-08-09 Lars Diening , Kyeongbae Kim , Ho-Sik Lee , Simon Nowak

This article is concerned with the existence and uniqueness of solutions to some fractional order boundary value problems. Our results are based on some fixed point theorems. For the applicability of our results, we provide an example.

Classical Analysis and ODEs · Mathematics 2016-12-13 Anwarrud Din , Shah Faisal

We prove some multiplicity results for a nonlinear equation of Schroedinger type with potential functions

Analysis of PDEs · Mathematics 2009-10-31 A. Ambrosetti , A. Malchiodi , S. Secchi

In this paper, we study the existence and concentration phenomena of solutions for the following non-local regional Schr\"odinger equation $$ \left\{ \begin{array}{l} \epsilon^{2\alpha}(-\Delta)_\rho^{\alpha} u + Q(x)u =…

Analysis of PDEs · Mathematics 2016-11-08 Claudianor O. Alves , César E. Torres Ledesma

In recent times it has been paid attention to the fact that (linear) wave equations admit of "soliton-like" solutions, known as Localized Waves or Non-diffracting Waves, which propagate without distortion in one direction. Such Localized…

Quantum Physics · Physics 2012-05-18 Michel Zamboni-Rached , Erasmo Recami

We consider parabolic Schr\"odinger type equations associated to fractional powers of uniformly elliptic 2m-order operators with constant coefficients. Potentials and initial data are considered in suitable Morrey spaces. By means of…

Analysis of PDEs · Mathematics 2024-07-24 Jan W. Cholewa , Anibal Rodriguez-Bernal

We consider nonlinear dispersive equations of Schr\"odinger-type involving fractional powers $0<s\le 1$ of the Laplacian and a defocusing power-law nonlinearity. We conduct numerical simulations in the case of small, energy supercritical…

Analysis of PDEs · Mathematics 2025-02-12 Christian Klein , Christof Sparber

Our aim in this article is to study semilinear elliptic equations involving a fractional Hardy operator, an absorption and a Radon source in a weighted distributional sense. We show various scenarios, produced by the combined effect of the…

Analysis of PDEs · Mathematics 2023-02-07 Huyuan Chen , Konstantinos T. Gkikas , Phuoc-Tai Nguyen

In this paper we prove the local existence and uniqueness of solutions for a class of stochastic fractional partial differential equations driven by multiplicative noise. We also establish that for this class of equations adding linear…

Probability · Mathematics 2013-07-17 Michael Rockner , Rongchan Zhu , Xiangchan Zhu

We show some new local smoothing estimates of the fractional Schr\"odinger equations with initial data in $\alpha$-modulation spaces via decoupling inequalities. Furthermore, our necessary conditions show that the local smoothing estimates…

Analysis of PDEs · Mathematics 2022-08-16 Yufeng Lu

In this paper, we prove existence results of a one-dimensional periodic solution to equations with the fractional Laplacian of order $s\in(1/2,1)$, singular nonlinearity, and gradient term under various situations, including nonlocal…

Analysis of PDEs · Mathematics 2021-11-16 Lisbeth Carrero , Alexander Quaas

We deal with a class of fractional magnetic Schr\"odinger equations in the whole line with exponential critical growth. Under a local condition on the potential, we use penalization methods and Ljusternik-Schnirelmann category theory to…

Analysis of PDEs · Mathematics 2019-01-30 Vincenzo Ambrosio

We are concerned with a Brezis-Nirenberg type problem for a critical Choquard equation, in the sense of Hardy-Littlewood-Sobolev inequality, and with the Hardy potential in a smooth bounded domain. By exploiting variational methods we…

Analysis of PDEs · Mathematics 2026-03-12 Guangze Gu , Aleks Jevnikar

The Schrodinger equation is considered with the first order time derivative changed to a Caputo fractional derivative, the time fractional Schrodinger equation. The resulting Hamiltonian is found to be non-Hermitian and non-local in time.…

Mathematical Physics · Physics 2009-11-10 Mark Naber

For the Riesz fractional derivative besides the well known integral representation two new differential representations are presented, which emphasize the local aspects of a fractional derivative. The consequences for a valid solution of…

General Physics · Physics 2013-04-16 Richard Herrmann

We investigate that a potential $V$ in the fractional Schr\"odinger equation $( (-\Delta_g )^s +V ) u=f$ can be recovered locally by using the local source-to-solution map on smooth connected closed Riemannian manifolds. To achieve this…

Analysis of PDEs · Mathematics 2024-09-04 Yi-Hsuan Lin

In this article, our main concern is to study the existence of bound and ground state solutions for the following fractional system of nonlinear Schr\"odinger-Korteweg-De Vries (NLS-KdV, in short) equations with Hardy potentials:…

Analysis of PDEs · Mathematics 2023-09-19 Rohit Kumar , Tuhina Mukherjee , Abhishek Sarkar

In this paper we consider the local well-posedness theory for the quadratic nonlinear Schr\"odinger equation with low regularity initial data in the case when the nonlinearity contains derivatives. We work in 2+1 dimensions and prove a…

Analysis of PDEs · Mathematics 2007-05-23 Ioan Bejenaru

In this paper, we consider the regularity of weak solutions (in an appropriate space) to the elliptic partial differential equation \begin{equation*} (-\Delta_{p})^{s} u + (-\Delta_{q})^{s} u = f(x) \quad \text{in} \quad \mathbb{R}^{N},…

Analysis of PDEs · Mathematics 2018-12-05 Emerson Abreu , A. H. Souza Medeiros
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